Elexhere

Laser Your Way Into Debug Mode On The RP2350 | Hackadayhttps://hackaday.com/2026/09/19/laser-your-way-into-debug-mode-on-the-rp2350/

The RP2350 is actually a pretty secure chip, all things considered. It has secure boot, ARMv8’s TrustZone to split secure and non-secure execution, and you can permanently disable debug — the…

A Cool New Way to Make Custom LED Display - Hackster.iohttps://www.hackster.io/news/a-cool-new-way-to-make-custom-led-display-f0d40c5cb535

led
Display

Maker’s Fun Duck came up with a technique (and a Python tool) anyone can use to make custom LED displays.

Print with dozens of colors: Our new open-source ColorMix for EasyPrint and PrusaSlicer - Original Prusa 3D Printershttps://blog.prusa3d.com/our-new-open-source-colormix-model-in-prusaslicer-and-easyprint_136079/

For the past few months, the 3D printing community has been poking at a very interesting question: what if a multi-material printer were not limited to the colors physically loaded on it? And we must say it right now: This is a...

25 outils gratuits pour l’impression 3D : créer, modifier et réparer des modèles – aperçu 2026https://3druck.com/fr/programmes/apercu-des-outils-gratuits-pour-limpression-3d-44162321/#brick-builder

Pour de nombreuses tâches liées à l’impression 3D, il n’est pas nécessaire de disposer d’un logiciel de CAO complet. Des outils web gratuits peuvent créer des engrenages, des boîtes, des lithophanies,

Parchment Paper Paired With 3D-Printed Grid Gives A Nice Glow | Hackadayhttps://hackaday.com/2026/09/04/parchment-paper-paired-with-3d-printed-grid-gives-a-nice-glow/

led
Clock

This custom enclosure for a 64×64 RGB LED matrix by [Davisan1001] not only provides a mount point for a Raspberry Pi, but presents a clean and smooth face with square pixels thanks to a 3D-pri…

Corners Lifting On 3D Prints? Guide Gives Prevention Tips | Hackadayhttps://hackaday.com/2026/09/03/corners-lifting-on-3d-prints-guide-gives-prevention-tips/

3dprint

Large prints have a risk of warping, by which we mean corners can lift off the print bed as the object sort of curls inward on itself. It’s not always due to poor filament quality or an uncle…

The amazing USB-C gadgets that play old Nintendo cartridges | The Vergehttps://www.theverge.com/games/987972/epilogue-gb-sn-operator-review-nintendo-game-boy-snes

The $60 Epilogue SN Operator and $50 GB Operator let you play, save, and backup real Super Nintendo and Game Boy games.

Sliding Into Perfection: The Open Task Light | Hackadayhttps://hackaday.com/2026/09/01/sliding-into-perfection-the-open-task-light/

led
Lamp

A few years ago Dyson released a desk lamp that could slide up and down, in and out, balancing itself at every position. [Steven Bennett] saw that lamp and wanted to make his own. From this passion…

I Promise You’ll Like This Pneumatic Soft Dot Display - Hackster.iohttps://www.hackster.io/news/i-promise-you-ll-like-this-pneumatic-soft-dot-display-87e3d00093e0

air
Display

You’ll want to see (or touch) soiboi soft’s wonderful Air Powered Dot Display.

Open-Source ExpressLRS Receiver Reaches For Range | Hackadayhttps://hackaday.com/2026/08/22/open-source-expresslrs-receiver-reaches-for-range/

serial
radio

Drone control links are, from a radio signals perspective, nothing short of amazing: using a transmitter capable of transmitting, at most, one watt, a protocol such as ExpressLRS (ELRS) can control…

Turn Any Microcontroller Into an IoT Device - Hackster.iohttps://www.hackster.io/news/turn-any-microcontroller-into-an-iot-device-146f0e0a3353

iot
serial

Upline is a lightweight, open source serial protocol that connects cheap microcontrollers to the internet without extra Wi-Fi hardware.

The $50 DIY Sonos Killer - Hackster.iohttps://www.hackster.io/news/the-50-diy-sonos-killer-0aa3fc50d2f1

Build your own multi-room audio system for under $50 with an ESP32, open source tech, and a custom 3D-printed case.

This ESP32-Based PCIe Card Powers on a PC Remotely - Hackster.iohttps://www.hackster.io/news/this-esp32-based-pcie-card-powers-on-a-pc-remotely-b58c0b21bcd5

Andrea Aghemo came up with something better than Wake-on-LAN: an ESP32-based PCIe card that presses the PC’s power button on request.

This 7:1 Scale 16x2 Character LCD Is a Thing of Beauty - Hackster.iohttps://www.hackster.io/news/this-7-1-scale-16x2-character-lcd-is-a-thing-of-beauty-157aa0a1803f

led
Display

UncleStem built a completely functional display that's seven timers larger than a classic 16×2 character LCD.

Un Ordinateur Pour Le Minitel-1 (A Computer For The Minitel-1) | Hackadayhttps://hackaday.com/2026/08/04/un-ordinateur-pour-le-minitel-1-a-computer-for-the-minitel-1/

In the 1980s, France was the stage for one of the boldest public computing projects of the era. Minitel was the French take on viewdata, and instead of making it an expensive and unattainable luxur…

Making A Retro(ish) Game Console From Scratch | Hackadayhttps://hackaday.com/2026/08/02/making-a-retroish-game-console-from-scratch/

As easy as it is to make a late 1980s-style game console using a modern microcontroller, there’s arguably more fun in doing things the traditional way. This is the challenge that [Throaty Mum…

This 3D Printing Method Might Be the Easiest Way to Get a Functional PCB - Hackster.iohttps://www.hackster.io/news/this-3d-printing-method-might-be-the-easiest-way-to-get-a-functional-pcb-1eb8a853a39f

pcb
3dprint

This method from Mecharonix for 3D-printing PCBs is easy enough that you can put a PCB in any project.

Scanwheel Recreates the Spirit of Mechanical Television in a Tiny Spinny Package - Hackster.iohttps://www.hackster.io/news/scanwheel-recreates-the-spirit-of-mechanical-television-in-a-tiny-spinny-package-1626dd47ba73

tv

James Brown (AKA “Ancient”) embraced the bizarre and built this very unique modern interpretation of the mechanical television.

Seven Ways To Install Magnets Into Your 3D Prints | Hackadayhttps://hackaday.com/2026/07/19/seven-ways-to-install-magnets-into-your-3d-prints/

3dprint

Magnets are awesome, so it’s no wonder we love to add them to our 3D prints. Doing so in a way that will actually last is harder, with thermal creep being one reason a simple friction fit wil…

Old SSDs Find New Life As Game Cartridges | Hackadayhttps://hackaday.com/2026/07/20/old-ssds-find-new-life-as-game-cartridges/

game
3dprint

Game companies might not like physical media much anymore, but gamers sure do. There’s nothing like pawing over your collection to find what to play, and inserting a cartridge with a satisfyi…